Nissan

17

Bringing the Heat: Under Control!

by Frank Ewald

With our first track day and Knox Mountain Hill Climb 2018 now behind us, we can say without question that the HeatShield Products and the Koyorad have absolutely increased the cooling capacity of the NX GTi-R on the track. Our benchmark temperatures were set last October on a cool and sunny day. The daytime high was 16°Celcius. The temperatures we checked on May 5 and it was a sunny day and the ambient temperature was 22°Celcius (that's about 72°Fahrenheit). The temperatures were checked after the car had been out for the second session and, as this was a CACC Time Attack event here at Mission's River's Edge Road Course, you can appreciate that the car was being pushed. Two weeks later the NX was at the 61st Annual Knox Mountain Hill Climb; the runs up the hill showed an amazing difference one year later. The extensive improvements to the cooling system absolutely worked.


 

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30

Controlling the Heat: KoyoRad

by Frank Ewald

In the last article we discussed how HeatShield Products were being used to contain the heat. This article is looking at the installation of a Koyorad aluminum radiator. It is this author's perspective that the Koyorad radiator has long been viewed as one of the best rads available for the Nissan SR20. The installation in the NX GTi-R was quick and painless. Koyorad is a very well known radiator company that build incredible aluminum racing rads. This new rad is a key part of optimizing the cooling system. 


 

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17

Controlling the Heat: HeatShield Products

by Frank Ewald

In the last article on the NX GTi-R there should have been no doubt in anyone's mind that the temperatures in the engine bay and the engine itself were bordering on the extreme. Temperatures that were under control in 30 minute track day sessions were now spiraling upwards. The larger turbo, the tighter clearances when the engine was built with forged parts, and the loss of the mystical factory manifold heat shield when I transported the NX across the country have all conspired against me.


 

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14

Project R35 GT-R, Really Improving the Aero with Verus Engineering

By Mike Kojima

While its somewhat bulky looks are deceiving, the DBA R35 GT-R is one of the most aerodynamic cars currently in production with a Coefficient of drag of .26.  This puts in in the top 10 of production sedans with low drag coefficients. 


 

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19

WATCH:  IMPROVING the R35 GT-R! Part4 - Brembo Brake Rotors and Pads

MotoIQ Video

Join us on our multi-part journey to improving what is arguably the best car ever made. Inexperienced "tuners" can easily ruin the R35 GT-R's performance prowess by just throwing parts at it without giving any thought to how all the parts are going to work together. That is NOT how we do things here at MotoIQ!

In Part 4 of our series we install Brembo rotors and pads!


 

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12

IMPROVING the R35 GT-R! Part 3 - Whiteline Bushings and SPL Arms, Links & Spherical Bearings

by MotoIQ Video

Join us on our multi-part journey to improving what is arguably the best car ever made. Inexperienced "tuners" can easily ruin the R35 GT-R's performance prowess by just throwing parts at it without giving any thought to how all the parts are going to work together. That is NOT how we do things here at MotoIQ!

In Part 3 of our series we install Whiteline bushings and SPL Parts arms, links and spherical bearings!


 

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05

WATCH! IMPROVING the R35 GT-R! Part 2 - Forged Performance Sway Bars

MotoIQ Video

You've read the article, now watch the video! Join us on our journey to improving what is arguably the best car ever made. Inexperienced "tuners" can easily ruin the R35 GT-R's performance prowess by just throwing parts at it without giving any thought to how all the parts are going to work together. That is NOT how we do things here at MotoIQ! In Part 2 of our series, we install a set of Forged Performance sway bars.


 

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27

WATCH! IMPROVING the R35 GT-R: Part 1 - KW Suspension 3-way Adjustable Clubsport Coilovers

MotoIQ Video

You've read the article, now watch the video! Join us on our journey to improving what is arguably the best car ever made. Inexperienced "tuners" can easily ruin the R35 GT-R's performance prowess by just throwing parts at it without giving any thought to how all the parts are going to work together. That is NOT how we do things here at MotoIQ! In Part 1 of our series we install a set of KW Suspension 3-way adjustable Clubsport coilovers and show you the process of adjusting a 3-way shock.


 

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19

Team America BNR32 GT-R First Update in a Long Time!

by Mike Kojima

So most of you probably thought that the Team America GT-R was dead, long abandoned to the scrap heap or maybe left in a pile somewhere in Australia. Not so! After a humiliating first appearance at the 2014 running of WTAC down under, the car has been under reconstruction.


 

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04

Project DBA R35 GT-R: Putting the Suspension All Together With SPL Parts and Whiteline 

by Mike Kojima

Now we are in the home stretch for upgrading our GT-R's underpinnings with our quest to improve its on-track staying power and to reduce its propensity to understeer. In previous editions, we did the suspension basics and upgraded the brakes on the car. Now it was time to finish this part of our project off.


 

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14

Project DBA R35 GT-R: Upping Stopping Power with Brembo and Race Technologies

by Mike Kojima

As you can see so far in this series, we are doing a lot of things to fight the weight of the GT-R.  At 3800 pounds, the GT-R wheels throw around a lot of mass with a great deal of speed and grace, but it can only do it for short periods of time before the weight takes its toll, mostly on the brakes and tires.


 

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09

Project DBA R35 GT-R: Getting More Grip with Advan and Toyo!

by Mike Kojima

One of the issues with the R35 GT-R is that it is a big heavy car that gets an amazing amount of performance out of its tires.  The stock tires are a 285/35-20 in the rear and a 255/40-20 in the front. For most cars, this is an impressive amount of rubber but for the 3850 lb GT-R, the car works exceedingly well at first, but the tires quickly fade away.  With some ham-fisted driving, the fading away happens pretty fast.


 

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03

Project DBA R35 GT-R: Getting the Ultimate Custom Car Cover with Covercraft

by Mike Kojima

The MotoIQ Megashop is in a pretty dusty industrial area in So Cal. Dust gets into our shop and mixes with the normal shop dirt of metal filings and other stuff that naturally flies around when you work with cars.

So unfortunately, some of the nicer cars in our fleet end up being quickly covered by a mixture of nasty shop dirt and neighborhood dust that can turn a freshly cleaned and detailed car into a pigpen in as little as a week. 


 

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26

Project DBA R35 GT-R: Starting the Suspension Revolution with KW Suspension and Forged Performance

by Mike Kojima

It's been a long time since we even mentioned anything about our Project R35 GT-R. We had plans for the car but never could find the time to work on it. The other issue was that the R35 is a world-class supercar, and it is very hard to improve on a car like this without messing it up. It is easy to make it worse with ill-conceived aftermarket parts. 


 

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31

An inside look at the Feal 441 Suspension for the B13 Sentra SE-R!

by Mike Kojima

The original B13 Sentra SE-R has always held a dear spot in many of our hearts. Produced from 1991 to 1994, the SE-R combined the lightweight shell of the Sentra coupe with the sparkling performance of the beloved SR20DE engine. For its time, the SE-R offered a great performance bang for the buck, and to this day, it has scores of hardcore devotees who treasure them.


 

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09

Project STurdteen: Installing Progress Sway Bars

by Rathyna Gomer

To run sway bars or to not run sway bars? That is the question. In the drift world, there's been a reoccurring debate if there is any true benefit to running sway bars. Sometimes it comes down to the driver's preference and sort of drift "style" they're aiming to achieve. As the debate continues, we opted to run sway bars. Sensei Kojima tells me there's no other way!


 

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04

Project 350Z - Testing Jim Wolf Technology C2 Camshafts

by Mike Kojima

So far we have tried some easy bolt ons like a manifold spacer, headers, high flow cats and exhaust on our 350Z all with good results.  Naturally at this point it is time to change camshafts to get more bolt on power out of our VQ35DE engine.  One thing that discourages many people from going this route is that changing cams on a VQ engine is quite a big job. Having two banks of cylinders and 4 cams is a lot of the reason.  It's not super hard technically but it requires at least a couple days of wrenching and some care has to be taken to avoid problems.

Time consuming or not, camshafts are the next logical progression in the evolution of Project 350Z so we asked our friends at Jim Wolf Technology or JWT to provide us with some of their excellent C2 cams.  We chose the C2 because they were probably the biggest practical camshafts that would work in the stock bottom end engine. 


 

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30

Getting Project STurdteen (S13) Running Right with an AEM Infinity PNP EMS and Wiring Specialties Engine Harness

by Rathyna Gomer

Hopefully, you've been keeping up with the steady progress of transforming my STurdteen into a reliable and worthy demo drift car. Powered by an SR20DET and with all of the new goods going into this build (see the new Turbonetics setup I went with here), I needed an adequate engine management system to handle engine control duties.  The search for the perfect EMS didn't last very long because I soon discovered what I consider the best solution out there - the AEM Infinity Plug and Play EMS.


 

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17

NX GTi-R: Version 3

What Happened! And Start Collecting Parts!

by Frank Ewald

There has been silence in my garage for almost a year. The NX GTi-R, when you last saw it, had rod knock and was parked until I had the time to work on it. Life intervened and many things have caused this project to get pushed to the background. Then Mike Kojima and I met in the paddock at Buttonwillow. It was not that I was stalking him (well, maybe I was sort of stalking him) but a chance to meet the man after years of online chatting and emails was something I knew had to happen. After very few pleasantries the conversation moved to cars and then Mike asked about the NX. With his suggestions and input, my future build took a change of direction with my intended stock build moving to a built engine. Believe me, it did not take very much persuading to make this move. Eagle Rods, CP - Carillo Pistons, JWT cams, Calico Bearings, and a Precision Turbo. There is a plan for the NX GTi-R. I have not put this much money into the car since I bought it! The end result, however, should be spectacular. Version 1 - GA16DE with almost all bolt-on options. Version 2 - SR20DET with boost controller. And now for Version 3 - with a built engine, larger turbo, and eventually a stand-alone ECU.


 

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16

Project STurdteen: Cooling, Bolt-Ons, and More

by Rathyna Gomer

In Part 1 of Project STurdteen we discussed some of the future plans of the car as a purpose-built entry-level drift car that can be used for competitive purposes in ProAm. One of the big issues I experienced previously had to do primarily with heating and cooling issues. We decided to go with a complete Koyorad cooling system, which incudes a radiator and oil cooler. We also included a power steering cooler to address steering pumping up issues \i had experienced in the past once the car would get hot, which is a common complaint in many drift cars.


 

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